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1/v - 1 /u = 1/f
1/v + 1/30 = 1/20
1/v = 1/20-1/30
1/v=1/60
v=60cm
hi/ho =v/u=m
hi/4 =60/-30
hi= -8cm
1/v + 1/30 = 1/20
1/v = 1/20-1/30
1/v=1/60
v=60cm
hi/ho =v/u=m
hi/4 =60/-30
hi= -8cm
jdjdk:
isme diagram banana hai aapne solve kiya hai ye 2 marks question hai
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